The answer would be : vitamin B12 Vitamin B12 is responsible to create healthy new red blood cells which required metabolism process in our body. In order to do that, vitamin B12 turned the food that we eat into energy that is used for that is used as a source of energy for our metabolism process
4. For thiamin, riboflavin, niacin, biotin, pantothenic acid, vitamin B6, folate, vitamin B12, and vitamin C, state: its chief function in the body; its characteristic deficiency symptoms; and its significant food sources.
